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#!/sbin/openrc-run
# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
SQUID_SVCNAME=$( echo "${RC_SVCNAME}" | tr -cd '[a-zA-Z0-9]' )
extra_started_commands="reload rotate"
depend() {
use dns net
}
checkconfig() {
local CONFFILES="/etc/squid/${RC_SVCNAME}.conf /etc/squid/${RC_SVCNAME}.include /etc/squid/${RC_SVCNAME}.include.*"
if [ ! -f /etc/squid/${RC_SVCNAME}.conf ]; then
eerror "You need to create /etc/squid/${RC_SVCNAME}.conf first."
eerror "The main configuration file and all included file names should have the following format:"
eerror "${CONFFILES}"
eerror "An example can be found in /etc/squid/squid.conf.default"
return 1
fi
local PIDFILE=$(cat ${CONFFILES} 2>/dev/null 3>/dev/null | awk '/^[ \t]*pid_filename[ \t]+/ { print $2 }')
[ -z ${PIDFILE} ] && PIDFILE=/run/squid.pid
if [ /run/${RC_SVCNAME}.pid != ${PIDFILE} ]; then
eerror "/etc/squid/${RC_SVCNAME}.conf must set pid_filename to"
eerror " /run/${RC_SVCNAME}.pid"
eerror "CAUTION: http_port, cache_dir and *_log parameters must be different than"
eerror " in any other instance of squid."
eerror "Make sure the main configuration file and all included file names have the following format:"
eerror "${CONFFILES}"
return 1
fi
# Maximum file descriptors squid can open is determined by:
# a basic default of N=1024
# ... altered by ./configure --with-filedescriptors=N
# ... overridden on production by squid.conf max_filedescriptors (if,
# and only if, setrlimit() RLIMIT_NOFILE is able to be built+used).
# Since we do not configure hard coded # of filedescriptors anymore,
# there is no need for ulimit calls in the init script.
# Use max_filedescriptors in squid.conf instead.
local CACHE_SWAP=$(cat ${CONFFILES} 2>/dev/null 3>/dev/null | awk '/^[ \t]*cache_dir[ \t]+/ { if ( $2 == "rock" ) printf "%s/rock ", $3; else if ( $2 == "coss" ) printf "%s/stripe ", $3; else printf "%s/00 ", $3; }')
[ -z "$CACHE_SWAP" ] && CACHE_SWAP="/var/cache/squid/00"
local x
for x in $CACHE_SWAP ; do
if [ ! -e $x ] ; then
ebegin "Initializing cache directory ${x%/*}"
local ORIG_UMASK=$(umask)
umask 027
if ! (mkdir -p ${x%/*} && chown squid ${x%/*}) ; then
eend 1
return 1
fi
local INIT_CACHE_RESPONSE="$(/usr/sbin/squid -z -N -f /etc/squid/${RC_SVCNAME}.conf -n ${SQUID_SVCNAME} 2>&1)"
if [ $? != 0 ] || echo "$INIT_CACHE_RESPONSE" | grep -q "erminated abnormally" ; then
umask $ORIG_UMASK
eend 1
echo "$INIT_CACHE_RESPONSE"
return 1
fi
umask $ORIG_UMASK
eend 0
break
fi
done
return 0
}
start() {
checkconfig || return 1
checkpath -d -q -m 0750 -o squid:squid /run/${RC_SVCNAME}
# see https://wiki.squid-cache.org/MultipleInstances
ebegin "Starting ${RC_SVCNAME} (service name ${SQUID_SVCNAME}) with KRB5_KTNAME=\"${SQUID_KEYTAB}\" /usr/sbin/squid ${SQUID_OPTS} -f /etc/squid/${RC_SVCNAME}.conf -n ${SQUID_SVCNAME}"
KRB5_KTNAME="${SQUID_KEYTAB}" /usr/sbin/squid ${SQUID_OPTS} -f /etc/squid/${RC_SVCNAME}.conf -n ${SQUID_SVCNAME}
eend $? && sleep 1
}
stop() {
ebegin "Stopping ${RC_SVCNAME} with /usr/sbin/squid -k shutdown -f /etc/squid/${RC_SVCNAME}.conf -n ${SQUID_SVCNAME}"
if /usr/sbin/squid -k shutdown -f /etc/squid/${RC_SVCNAME}.conf -n ${SQUID_SVCNAME} ; then
# Now we have to wait until squid has _really_ stopped.
sleep 1
if [ -f /run/${RC_SVCNAME}.pid ] ; then
einfon "Waiting for squid to shutdown ."
cnt=0
while [ -f /run/${RC_SVCNAME}.pid ] ; do
cnt=$(expr $cnt + 1)
if [ $cnt -gt 60 ] ; then
# Waited 120 seconds now. Fail.
echo
eend 1 "Failed."
break
fi
sleep 2
printf "."
done
echo
fi
else
eerror "Squid shutdown failed, probably service is already down."
fi
eend 0
}
reload() {
checkconfig || return 1
ebegin "Reloading ${RC_SVCNAME} with /usr/sbin/squid -k reconfigure -f /etc/squid/${RC_SVCNAME}.conf -n ${SQUID_SVCNAME}"
/usr/sbin/squid -k reconfigure -f /etc/squid/${RC_SVCNAME}.conf -n ${SQUID_SVCNAME}
eend $?
}
rotate() {
service_started ${RC_SVCNAME} || return 1
ebegin "Rotating ${RC_SVCNAME} logs with /usr/sbin/squid -k rotate -f /etc/squid/${RC_SVCNAME}.conf -n ${SQUID_SVCNAME}"
/usr/sbin/squid -k rotate -f /etc/squid/${RC_SVCNAME}.conf -n ${SQUID_SVCNAME}
eend $?
}
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